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<Paper uid="W98-1409">
  <Title>A NEW APPROACH TO EXPERT SYSTEM EXPLANATIONS</Title>
  <Section position="7" start_page="84" end_page="84" type="concl">
    <SectionTitle>
:6 *Conclusion
</SectionTitle>
    <Paragraph position="0"> i We have presented an approach to expert system explanation which is based on a classification of types of knowledge into reasoning domain knowledge, communication domain knowledge, and domain communication knowledge. We have argued that this distinction, in addition to being theoretically appealing, allows us to better manage the software engineering asPeCt of explainable expert system development.</Paragraph>
    <Paragraph position="1">  While we think that our approach is well suited to explaining the reasoning of expert systems to users after the fact, the approach does not, at first glance, appear to lend itself very well to answers to &amp;quot;Why are you asking?&amp;quot; type questions from the user (as opposed to &amp;quot;Why are you recommending this?&amp;quot;, which is what the SA answers). This is because the CDK is-not intended to: mimic the system's reasoning. However, it may be possible that the same kind of CDK can be used to answer questions before the reasoning is complete. We hope to investigate this in future work.</Paragraph>
  </Section>
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